It is indeed true that this is an official framework, and the budget, therefore, will be used for exactly the purpose you mentioned, which is to invest in research and development and availability of drugs to cure rare diseases. This will obviously involve a lot of partnership work with experts, and this is ongoing and going really well. It's part of the overall pharmacare agenda, which is not only that the drugs exist but also that they be available and, most importantly, available to those who need them the most, often Canadians who have little or no ability to pay for them.
On June 8th, 2022. See this statement in context.